/*
 * Datart
 * <p>
 * Copyright 2021
 * <p>
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package datart.data.provider.calcite.dialect;

import datart.data.provider.jdbc.JdbcDriverInfo;
import org.apache.calcite.sql.SqlAbstractDateTimeLiteral;
import org.apache.calcite.sql.SqlNode;
import org.apache.calcite.sql.SqlWriter;

public class ImpalaSqlDialectSupport extends CustomSqlDialect implements FetchAndOffsetSupport {

    public ImpalaSqlDialectSupport(JdbcDriverInfo driverInfo) {
        super(driverInfo);
    }

    @Override
    public void unparseOffsetFetch(SqlWriter writer, SqlNode offset, SqlNode fetch) {
        super.unparseFetchUsingLimit(writer, offset, fetch);
    }

    @Override
    public void unparseDateTimeLiteral(SqlWriter writer, SqlAbstractDateTimeLiteral literal, int leftPrec, int rightPrec) {
        writer.literal("'" + literal.toFormattedString() + "'");
    }
}
